Multi-crop adaptive variable seeding machine

Abstract

The invention relates to the technical field of seeding machines, in particular to a multi-crop self-adaptive variable seeding machine which comprises a stock bin filled with crop seeds, a seed-metering device module communicated with the stock bin and used for intermittently discharging or continuously discharging the seeds in the stock bin under the driving of land wheels, and a switching assembly arranged on the seed-metering device module and used for switching the seeds in the stock bin. The switching module is used for switching a seed metering state of intermittently discharging seeds or continuously discharging seeds by the seed metering device module; the invention has the following beneficial effects: when the handle is rotated, the threaded rod generates axial displacement, and the connecting rods at two sides are driven to swing synchronously through the clamping structure of the threaded rod and the connecting rods, so that the position switching of the baffle plate and the meshing state of the transmission block are controlled in a linkage manner, and one-key rapid switching of seeding modes is realized. According to the design, the synchronism of actions of the clamping units on the two sides is ensured through mechanical linkage, switching between hole sowing and drill sowing can be achieved without detaching the device, only a handle needs to be rotated, and the switching mode is simple and convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of seeders, and particularly to a multi-crop adaptive variable seeder. Background Art

[0002] In agricultural production, a seeder is one of the core equipments for improving planting efficiency. Existing seeders are mainly divided into two categories: hill-drop seeders and drill seeders, which are respectively suitable for the planting requirements of different crops:

[0003] Hill-drop seeders (such as corn and peanut seeders) adopt cell plate metering devices to achieve intermittent precise metering and ensure single-seed or double-seed sowing per hill, with the plant spacing being precisely controllable.

[0004] Drill seeders (such as wheat and rapeseed seeders) adopt external fluted roller metering devices to achieve continuous and uniform metering, which is suitable for large-area and high-efficiency sowing of close-growing crops.

[0005] Due to the differences in planting patterns of different crops, traditional seeders usually only support a single sowing method (hill-drop or drill). To meet the requirements of multi-crop rotation, existing technologies have tried to integrate the two metering methods into the same seeder through modular design. For example:

[0006] Replaceable metering device module: Users can replace the drill or hill-drop metering device according to the crop type, such as the switching between an external fluted roller metering device (drill) and a cell plate metering device (hill-drop).

[0007] However, existing technologies still have the following limitations:

[0008] 1. Low switching efficiency: Replacing the metering module requires complex operations of disassembly and installation, which takes a long time (usually 15 - 30 minutes), affecting the continuity of operations;

[0009] 2. Complex operation: Manual disassembly and installation of the metering device is required, which has relatively high technical requirements for operators.

[0010] Therefore, there is an urgent need for an adaptive multi-crop variable seeder that can switch between drill and hill-drop modes without disassembling and replacing the metering module to improve sowing efficiency. Summary of the Invention

[0011] To solve the above problems, an embodiment of the present invention provides a multi-crop adaptive variable seeder, achieving the purpose of solving the problems raised in the background art.

[0012] In order to achieve the above object, the embodiments of the present invention specifically adopt the following technical solutions: A multi-crop adaptive variable seeder, comprising: a silo containing crop seeds, a metering unit module communicatively connected to the silo, and intermittently or continuously discharging the seeds inside the silo by the drive of a ground wheel, and a switching assembly disposed on the metering unit module for switching the metering state of the metering unit module between intermittent and continuous seed discharge; the switching assembly is designed to switch the metering state of the metering unit module by rotating a handle disposed on the switching assembly.

[0013] By means of the provided switching assembly, after rotating the handle, the metering state of the metering unit module can be switched through the switching assembly.

[0014] As a further improvement of the above technical solution:

[0015] The metering unit module includes: a housing disposed below the silo, and the seeds inside the silo enter the independent hill-drop cavity and drill cavity inside the housing under the action of gravity. The hill-drop cavity is communicatively connected to the silo through a first blanking pipe, the drill cavity is communicatively connected to the silo through a second blanking pipe, a hill-drop metering disk rotatably disposed inside the hill-drop cavity with a first type hole on its side, a drill metering disk rotatably disposed inside the drill cavity with a drill groove on its side, and a rotating shaft rotatably disposed inside the housing for driving the hill-drop metering disk or the drill metering disk to rotate.

[0016] The switching assembly includes clamping units symmetrically disposed on both sides of the housing and an adjusting unit for cooperating with the two clamping units; the clamping unit is designed to switch the transmission between the hill-drop metering disk and the rotating shaft or between the drill metering disk and the rotating shaft; the adjusting unit is designed to realize the switching of the clamping unit's transmission by adjusting the position of the clamping unit.

[0017] The clamping unit includes: a transmission groove opened inside the hill-drop metering disk and the drill metering disk, a wedge block fixedly connected to the outside of the rotating shaft, a transmission block sleeved on the outside of the wedge block and slidably disposed on the outside of the rotating shaft, a rotating ring rotatably connected to one side of the transmission block, a baffle slidably disposed inside the first blanking pipe and the second blanking pipe, and a connecting rod hinged to the outside of the housing, with one end clamping the baffle and the other end clamping the rotating ring.

[0018] The adjusting unit includes: a threaded rod threadedly connected to the inside of the housing, engaged with the two connecting rods, and a handle fixed to its end.

[0019] A reseeding assembly for reseeding when the metering unit module intermittently discharges seeds is disposed on the metering unit module; the reseeding assembly is designed to selectively reseed by detecting whether there are seeds inside the first type hole on the side of the hill-drop metering disk.

[0020] The reseeding component includes: a housing disposed outside the casing, a spring rod slidably disposed inside the casing, a toggle rod rotatably disposed inside the housing, an elastic chuck slidably disposed inside the toggle rod with an inclined groove at one end, a reseeding plate rotatably connected inside the housing through a one-way bearing, a rod body provided on the side for cooperating with the toggle rod, a second type of hole opened on the surface, and a connecting pipe communicating the housing and the hopper.

[0021] The seed metering device module is communicated with a seed metering pipe, and a plow head is fixedly connected to the end of the seed metering pipe; a reseeding pipe communicating with the seed metering pipe is provided on the housing.

[0022] The beneficial effects of the embodiments of the present invention are as follows:

[0023] The hill-drop seed metering plate is rotatably disposed in the hill-drop cavity, and a first type of hole is opened at equal intervals on its side for realizing intermittent seed metering; the drill seed metering plate is rotatably disposed in the drill cavity, and a drill groove is opened on its side for realizing continuous seed metering. The rotating shaft is installed inside the casing and can drive the hill-drop seed metering plate or the drill seed metering plate to rotate according to the sowing mode selection, so as to realize the switching between hill-drop sowing and drill sowing;

[0024] When the rotary handle is rotated, the threaded rod generates an axial displacement, and drives the two side connecting rods to swing synchronously through its clamping structure with the connecting rod, and further linkage controls the position switching of the baffle and the meshing state of the transmission block, so as to realize the one-key fast conversion of the sowing mode. This design ensures the synchronism of the actions of the two side clamping units through mechanical linkage. At the same time, the setting of the handle makes the mode switching operation more convenient and intuitive; and the switching between hill-drop sowing and drill sowing can be realized without disassembling the device, and only the handle needs to be rotated, and the switching method is relatively simple;

[0025] A reseeding component is provided on the seed metering device module. The reseeding component is integrated on the seed metering device module and is specifically used for intelligent reseeding in the intermittent seed metering (hill-drop sowing) mode. Its working principle is to realize precise reseeding by real-time detecting the seed presence state in the first type of hole on the side of the hill-drop seed metering plate; when it is detected that a certain first type of hole does not carry seeds, the reseeding component immediately starts to supplement seeds to ensure that seeds are discharged from each sowing position; if the first type of hole already normally carries seeds, it remains in the closed state. This reseeding mechanism effectively solves the problem of missed sowing existing in traditional hill-drop seeders. Through the targeted reseeding at the hole level, it not only ensures the sowing uniformity but also avoids seed waste, and simultaneously improves the reliability and precision of the sowing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of the first perspective of the present invention;

[0027] Figure 2 is a schematic structural diagram of the second perspective of the present invention;

[0028] Figure 3 It is a structural schematic diagram of the present invention from a third viewing angle;

[0029] Figure 4 is a cross-sectional schematic diagram of the present invention from a first viewing angle;

[0030] Figure 5 is a cross-sectional schematic diagram of the present invention from a second viewing angle;

[0031] Figure 6 It is a cross-sectional schematic diagram of a seed metering device module of the present invention;

[0032] Figure 7 This is a structural schematic diagram of the hole-seeding seed tray of the present invention;

[0033] Figure 8 It is a cross-sectional schematic diagram of the transmission block of the present invention.

[0034] In the figure: 1. silo; 2. seeding module; 3. switching assembly; 4. ground wheel; 5. handle; 6. reseeding assembly; 7. seeding tube; 8. plowshare; 9. reseeding tube;

[0035] 21. Shell; 22. Seed plate for hole sowing; 23. Hole 1; 24. Seed plate for row sowing; 25. Row sowing groove; 26. Rotating shaft;

[0036] 31. Transmission groove; 32. Wedge block; 33. Transmission block; 34. Rotating ring; 35. Baffle; 36. Connecting rod; 37. Threaded rod;

[0037] 61. Shell; 62. Spring rod; 63. Toggle rod; 64. Elastic clamp; 65. Seed refilling tray; 66. Rod body; 67. Second mold hole; 68. Connecting pipe. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0039] See also Figures 1 to 3 The embodiment of the present invention discloses a multi-crop adaptive variable seeder, comprising a silo 1, a seeding device module 2 is arranged below the silo 1, a switching component 3 is arranged on the seeding device module 2, a ground wheel 4 is arranged on the seeding device module 2, and a plowshare 8 is connected to the seeding device module 2 through a seeding tube 7;

[0040] The seeder proposed in this application can be installed on a frame, and the seeding row spacing can be changed by adjusting the installation spacing of the seeder on the frame. When in use, crop seeds are added to the hopper 1. When the device starts to move, the ground wheel 4 contacts the ground and rotates, driving the seed metering module 2 to work through the transmission assembly, and discharging the seeds in the hopper 1 into the grooves opened by the plowshare 8 through the seed discharging pipe 7. This seeder can change the working state of the seed metering module 2 through the switching assembly 3 to achieve the switching between intermittent seeding (for hill-drop seeding) and continuous seeding (for drill seeding), so as to adapt to different seeding requirements;

[0041] The specific structure of the transmission assembly belongs to a mature technical means in the art, and will not be described in detail in this application.

[0042] See Figures 4 - 6 , which shows an embodiment of the seed metering module 2. The seed metering module 2 includes a housing 21, a hill-drop seed metering disk 22, a drill seed metering disk 24, and a rotating shaft 26. The housing 21 is installed below the hopper 1, and an independent hill-drop cavity and a drill cavity are provided inside it. The seeds in the hopper 1 enter the hill-drop cavity and the drill cavity respectively through the first feeding pipe and the second feeding pipe under the action of gravity. The hill-drop seed metering disk 22 is rotatably arranged in the hill-drop cavity, and equally spaced holes 23 are provided on its side for intermittent seeding; the drill seed metering disk 24 is rotatably arranged in the drill cavity, and a drill groove 25 is provided on its side for continuous seeding. The rotating shaft 26 is installed inside the housing 21 and can drive the hill-drop seed metering disk 22 or the drill seed metering disk 24 to rotate according to the seeding mode, so as to achieve the switching between hill-drop seeding and drill seeding.

[0043] Brushes are provided inside the hill-drop cavity. After the seeds enter the inside of the housing 21, as the hill-drop seed metering disk 22 rotates, the seeds enter the inside of the holes 23. The size of the holes 23 is adapted to the size of the seeds. At the same time, the brushes are used to brush the holes 23 to clean the seeds protruding from the holes 23, so that only one seed is accommodated inside the holes 23.

[0044] See Figure 3 and Figure 8, which shows an embodiment of the switching component 3, the switching component 3 includes a clamping unit symmetrically installed on both sides of the housing 21 and an adjustment unit for coordinating the actions of the two clamping units. The function of the clamping unit is to control the power transmission switching between the rotating shaft 26 and the hole sowing seeding disk 22 or the row sowing seeding disk 24 to switch the lower material pipe 1 and the lower material pipe 2 on and off. When the clamping unit controls the rotating shaft 26 to engage with the hole sowing seeding disk 22, the hole sowing mode is realized, and when the clamping unit controls the rotating shaft 26 to engage with the row sowing seeding disk 24, it switches to the row sowing mode. The adjustment unit performs the switching operation of the transmission target by changing the position of the clamping unit, ensuring that the two clamping units act synchronously, thereby reliably realizing the conversion of the seeding mode. This design enables the seeder to switch between the hole sowing and row sowing working modes quickly and stably.

[0045] The clamping unit consists of a transmission groove 31, a wedge block 32, a transmission block 33, a rotating ring 34, a baffle 35 and a connecting rod 36, wherein the transmission groove 31 is respectively opened inside the hole sowing seed plate 22 and the row sowing seed plate 24, the wedge block 32 is fixedly installed on the outer surface of the rotating shaft 26, the transmission block 33 is sleeved on the outside of the wedge block 32 and can slide along the rotating shaft 26, the rotating ring 34 is connected to one side of the transmission block 33 through a bearing, the baffle 35 is slidably arranged inside the discharge pipe 1 and the discharge pipe 2, and the connecting rod 36 is hinged to the outside of the shell 21 and the two ends are respectively connected to the baffle 35 and the rotating ring 34. During operation, the adjustment unit drives the connecting rod 36 to move, and synchronously drives the baffle 35 and the rotating ring 34 to move. The movement of the baffle 35 realizes the switching of the feeding channel (the connection and disconnection of feeding tube 1 and feeding tube 2). At the same time, the rotating ring 34 pushes the transmission block 33 to slide axially along the rotating shaft 26. The transmission block 33 produces radial displacement under the action of the wedge block 32, so that it engages with the transmission groove 31 of the target seeding disk, thereby realizing the switching of the power transmission path and the synchronous and coordinated control of the feeding channel, ensuring the linkage switching of the sowing channel and the transmission mechanism when the seeding mode is converted.

[0046] The adjustment unit includes a threaded rod 37, which is installed inside the housing 21 through threaded engagement, and its two ends are respectively engaged with the connecting rods 36 on the left and right sides, and a handle 5 is fixedly arranged at the end. When the handle 5 is rotated, the threaded rod 37 produces axial displacement, and the connecting rods 36 on both sides are driven to swing synchronously through the engagement structure between the threaded rod 37 and the connecting rod 36, thereby controlling the position switching of the baffle 35 and the meshing state of the transmission block 33, so as to realize a one-touch quick conversion of the sowing mode. This design ensures the synchronization of the actions of the engaging units on both sides through mechanical linkage, and the setting of the handle 5 makes the mode switching operation more convenient and intuitive.

[0047] A first clamping groove is formed on the rotating ring 34, and a first clamping block adapted to cooperate with the first clamping groove is provided at one end of the connecting rod 36; a second clamping groove is formed on the baffle 35, and a second clamping block adapted to cooperate with the second clamping groove is provided at the other end of the connecting rod 36; a third clamping groove is formed inside the connecting rod 36, and a third clamping block adapted to cooperate with the third clamping groove is provided on the outer side of the threaded rod 37; since the first clamping block moves irregularly inside the first clamping groove, the second clamping block moves irregularly inside the second clamping groove, and the third clamping block moves irregularly inside the third clamping groove, the size of the first clamping groove is larger than that of the first clamping block, the size of the second clamping groove is larger than that of the second clamping block, and the size of the third clamping groove is larger than that of the third clamping block, realizing three-dimensional floating connection.

[0048] See Figure 4 and Figure 7 On the metering module 2, a reseeding component 6 is provided. The reseeding component 6 is integrated on the metering module 2 and is specifically used for intelligent reseeding in the intermittent metering (hill-drop seeding) mode. Its working principle is to achieve precise reseeding by real-time detecting the presence state of seeds in the first side holes 23 of the hill-drop metering disc 22; when it is detected that a certain first side hole 23 does not carry seeds, the reseeding component 6 immediately starts to supplement seeds to ensure that seeds are discharged from each seeding position; if the first side hole 23 has normally carried seeds, it remains in the closed state. This reseeding mechanism effectively solves the problem of missed seeding existing in traditional hill-drop seeders. Through targeted reseeding at the side hole level, it not only ensures seeding uniformity but also avoids seed waste, synchronously improving the reliability and precision of the seeding operation.

[0049] The reseeding component 6 is composed of a housing 61, a spring rod 62, a toggle rod 63, an elastic chuck 64, a reseeding disc 65 and a connecting pipe 68. The housing 61 is fixed outside the housing 21, and a slidable spring rod 62 and a rotatable toggle rod 63 are provided inside. An elastic chuck 64 with an inclined groove is provided inside the toggle rod 63. The reseeding disc 65 is installed in the housing 61 through a one-way bearing, and a rod body 66 adapted to cooperate with the toggle rod 63 is provided on its side. The disc surface of the reseeding disc 65 is provided with second side holes 67. The connecting pipe 68 connects the housing 61 with the hopper 1. The seeds inside the hopper 1 enter the second side holes 67 through the connecting pipe 68. The connection of the connecting pipe 68 to the housing 61 can use a quick-release structure, so that after seeding is completed, it is convenient to quickly discharge the materials inside the hopper 1 through the connecting pipe 68.

[0050] During operation, when there are no seeds in the first side holes 23 of the hill-drop metering disc 22, the spring rod 62 triggers the toggle rod 63 to swing, and the rod body 66 is pushed by the elastic chuck 64 to make the reseeding disc 65 rotate unidirectionally, discharging the seeds in the second side holes 67 to achieve precise reseeding; specifically:

[0051] When there are no seeds in the first side holes 23 of the hill-drop metering disc 22, the end of the spring rod 62 can be completely inserted into the first side holes 23, so that the toggle rod 63 reaches the maximum stroke under the action of the spring (such asFigure 4 As shown in the figure, it is accurately positioned beside the rod body 66 of the reseeding tray 65. As the hole seeding metering disc 22 rotates, the inner wall of the first type hole 23 squeezes the spring rod 62, forcing the toggle rod 63 to rotate around the axis, and the end of the toggle rod 63 pushes the rod body 66 to drive the reseeding tray 65 to rotate one station. At this time, the second type hole 67 of the reseeding tray 65 is aligned with the reseeding tube 9. (The inside of the second type hole 67 is inclined), so that the seeds enter the seed metering tube 7 through the reseeding tube 9 under the action of gravity, completing precise reseeding;

[0052] When there are already seeds in the first type hole 23, the seeds block the spring rod 62 from being fully inserted, restricting the swing amplitude of the toggle rod 63. Although the spring rod 62 will still be squeezed by the hole seeding metering disc 22 during rotation to cause a slight swing of the toggle rod 63, since the trigger stroke is not reached, a safety gap is maintained between the toggle rod 63 and the rod body 66, and the reseeding tray 65 remains stationary, and the system does not perform the reseeding action.

[0053] This reseeding assembly 6 realizes high-sensitivity mechanical detection through the ingenious lever amplification principle. Its core design features include:

[0054] Optimization of the lever amplification mechanism: An asymmetric lever design is adopted, with the rotation fulcrum of the toggle rod 63 biased towards the spring rod 62 side (short power arm). When the spring rod 62 is squeezed by the first type hole 23 to generate a small displacement (usually 5 - 10 mm), through the lever ratio amplification effect, the operating end of the toggle rod 63 (long resistance arm) obtains a 5 - 8 times action stroke;

[0055] Dual-precision guarantee mechanism: The short force arm design on the detection end (spring rod 62 side) ensures that the depth change of the micro first type hole 23 can generate an effective moment; the amplified stroke tolerance on the operating end (rod body 66 side) reaches ±2 mm, reducing the requirements for the machining accuracy of parts;

[0056] Improvement of dynamic performance: The lever ratio design enables the reseeding response time < 0.1 s, meeting the requirements of high-speed seeding (≤12 km / h).

[0057] This lever system realizes: converting the type hole depth signal (millimeter level) into an effective reseeding action (centimeter level), allowing a machining tolerance of ±0.3 mm for the first type hole 23, and being compatible with the detection of different-sized seeds from rapeseed to corn. This mechanical amplification scheme has significant advantages compared with the sensor electronic control system, with reduced cost and failure rate, and is especially suitable for the harsh working conditions of agricultural equipment. Through the simple lever principle, it not only solves the problem of precise detection but also ensures the reliability of the reseeding action.

[0058] This mechanical intelligent reseeding system realizes, through the detection stroke of the spring rod 62 and the lever ratio design of the toggle rod 63:

[0059] Physical detection of the seed shortage state (difference in the insertion depth of the spring rod 62);

[0060] Precise triggering of the reseeding action (contact control between the toggle lever 63 and the rod body 66);

[0061] Quantitative reseeding (control of the single rotation angle of the reseeding tray 65);

[0062] Non-interfering operation (automatically standby when there are seeds);

[0063] The entire mechanism does not require electric drive and fully relies on mechanical linkage to achieve selective reseeding, which not only ensures the seeding reliability but also avoids the waste caused by repeated reseeding.

[0064] The reseeding component 6 of this application adopts an intelligent adaptive design, and its core advantage lies in being completely decoupled from the hole density of the hill-drop seed plate 22. The specific manifestations are as follows:

[0065] Independence of plant spacing adjustment:

[0066] The hill-drop plant spacing is only determined by the distribution density of the first type of holes 23. Users can freely adjust the plant spacing by replacing the hill-drop seed plate 22 with different hole distances;

[0067] The reseeding component 6 detects the presence or absence of seeds in a single first type of hole 23 through the physical probing mechanism of the spring rod 62, and its triggering action has nothing to do with the hole spacing;

[0068] General adaptability:

[0069] Regardless of whether the hill-drop seed plate 22 adopts a dense type (small plant spacing) or a sparse type (large plant spacing) layout of the first type of holes 23, the reseeding component 6 can accurately identify the seed state of each first type of hole 23 passing through the detection position;

[0070] Guarantee of working reliability:

[0071] The mechanical probing structure is not affected by the density of the first type of holes 23, ensuring that each first type of hole 23 can obtain an equal detection opportunity;

[0072] The reseeding action is only triggered for specific missing-seed holes and has nothing to do with the overall hole distribution pattern;

[0073] The rotation amount of the reseeding tray 65 is rigidly controlled by the rod body 66 to ensure that only one seed is replenished each time.

[0074] This design breaks through the dependence of traditional reseeding devices on the hole distance of the seed plate, enabling the same seeder to be adapted to: the plant spacing requirements of different crop varieties (by replacing the seed plate); different planting patterns of different agronomic standards (equidistant / non-equidistant seeding); different sizes of seed specifications (by adjusting the hole diameter, size, and depth of the holes);

[0075] This modular design significantly improves the versatility and economic efficiency of the equipment. The user can simply replace the hill-drop seed plate 22 to flexibly switch the planting mode, and the reseeding component 6 can maintain the best working state without any adjustment.

[0076] To keep the spacing between reseeding and normal sowing consistent, the spring rod 62 can be set at the front end of the seed tube 7. After the first type of hole 23 is detected by the spring rod 62, the first type of hole 23 can then discharge seeds through the seed tube 7. If there is no seed inside the first type of hole 23, the reseeding component 6 can discharge seeds into the seed tube 7; the position of the spring rod 62 shown in the figure can be adjusted to meet the above requirements.

[0077] It should be noted that in the description of the present invention, the terms indicating directions or positional relationships such as "center, up, down, left, right, vertical, horizontal, inner, outer" are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first, second, third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0078] In addition, it should also be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed, connected, connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0079] The term "including" or any other similar term is intended to cover non-exclusive inclusion, so that a process, article, or equipment / device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent in these processes, articles, or equipment / device.

[0080] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A multi-crop adaptive variable seeder, characterized in that, include: Silo (1), containing crop seeds, The seed metering module (2) is connected to the silo (1) and is driven by a ground wheel (4) to intermittently or continuously discharge the seeds in the silo (1); and A switching component (3) is arranged on the seed metering device module (2) and is used to switch the seed metering device module (2) to a seeding state of intermittent seed discharge or continuous seed discharge; The switching component (3) is designed to switch the seeding state of the seed metering device module (2) by rotating a handle (5) arranged on the switching component (3).

2. The multi-crop adaptive variable seeder according to claim 1, characterized in that, The seed metering module (2) comprises: The shell (21) is arranged below the silo (1). The seeds in the silo (1) enter the independent hole sowing chamber and row sowing chamber in the shell (21) by gravity. The hole sowing chamber is connected to the silo (1) through a first feed pipe, and the row sowing chamber is connected to the silo (1) through a second feed pipe. The hole sowing seeding disc (22) is rotatably arranged inside the hole sowing cavity, and a mold hole (23) is opened on the side. The drill seeding disc (24) is rotatably arranged inside the drill seeding cavity, and a drill seeding groove (25) is provided on the side thereof, and a rotating shaft (26) is rotatably arranged inside the housing (21) for driving the hole seeding disc (22) or the drill seeding disc (24) to rotate.

3. The multi-crop adaptive variable seeder according to claim 2, wherein, The switching assembly (3) comprises a clamping unit symmetrically arranged on both sides of the housing (21) and an adjustment unit used in conjunction with the two clamping units; The clamping unit is designed to switch the transmission between the hole sowing seeding disc (22) and the rotating shaft (26) or the row sowing seeding disc (24) and the rotating shaft (26); The adjusting unit is designed to realize the switching transmission of the clamping unit by adjusting the position of the clamping unit.

4. The multi-crop adaptive variable seeder according to claim 3, wherein The card connection unit comprises: The transmission groove (31) is provided inside the hole sowing seeding disc (22) and the row sowing seeding disc (24). A wedge (32) is fixedly connected to the outside of the rotating shaft (26). The transmission block (33) is sleeved on the outside of the wedge block (32) and is slidably arranged on the outside of the rotating shaft (26). The rotating ring (34) is rotatably connected to one side of the transmission block (33). A baffle (35) is slidably disposed inside the first and second feeding pipes, and The connecting rod (36) is hingedly arranged outside the housing (21), one end of which is clamped with the baffle (35) and the other end of which is clamped with the rotating ring (34).

5. The multi-crop adaptive variable seeder according to claim 4, wherein The adjustment unit comprises: The threaded rod (37) is threadedly connected to the interior of the housing (21), is clamped with the two connecting rods (36), and has an end portion that fixes the handle (5).

6. The multi-crop adaptive variable seeder according to claim 2, characterized in that, The seed metering module (2) is provided with a reseeding component (6) for reseeding when the seed metering module (2) intermittently discharges seeds; The reseeding component (6) is designed to selectively reseed by detecting whether there are seeds inside the shaped hole (23) on the side of the hole sowing seeding plate (22).

7. The multi-crop adaptive variable seeder according to claim 6, characterized in that, The reseeding component (6) comprises: A housing (61) is disposed outside the housing (21). A spring rod (62) is slidably disposed inside the housing (21). The toggle rod (63) is rotatably disposed inside the housing (61). The elastic clamp (64) is slidably arranged inside the toggle rod (63) and has an inclined groove at one end. The seed-replenishing plate (65) is rotatably connected to the inside of the housing (61) through a one-way bearing, and a rod body (66) is arranged on the side thereof for use with the toggle rod (63), and a second mold hole (67) is opened on the surface thereof, and The connecting pipe (68) is connected between the housing (61) and the silo (1).

8. The multi-crop adaptive variable seeder according to claim 7, characterized in that The seed metering module (2) is connected to a seed metering tube (7), and a plowshare (8) is fixedly connected to the end of the seed metering tube (7); and a seeding supplement tube (9) connected to the seed metering tube (7) is provided on the housing (61).

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